A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.

A polar vortex will plunge Waterloo region, Guelph and Wellington County into a deep freeze until Wednesday, Environment ...

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

Starting this week into next, a lobe of the polar vortex will descend into the U.S. and bring with it brutally cold ...

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...

Several businesses and organizations have announced closings and cancellations ahead of the extremely cold temperatures.

A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late ...

Even with the sun, we'll only get back above freezing for a few afternoon hours as the winds diminish. It's a dry forecast ...

The claim that Greenland's prime minister, Múte Bourup Egede, made a cheeky post on social media about Trump's inauguration ...

Make sure to pack on some extra thick layers this week, because a bitterly cold Arctic outbreak is set to bring some of the coldest winter ...

The National Weather Service issued a Cold Weather Advisory for all of Michigan from Monday morning through Wednesday morning, when arctic temperatures are likely. The advisory expires at noon ...

President-elect Donald Trump's second inauguration will mark the coldest presidential ceremony in more than 40 years.